package com.itheima.reggie.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 分层管理
 */

@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     *
     * @param category
     * @return
     */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category{}", category);
        categoryService.save(category);
        return R.success("新增分类成功");

    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */

    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        // 分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        // 添加排序条件，根据sort进行排序
        queryWrapper.orderByAsc(Category::getSort);
        //分页查询
        categoryService.page(pageInfo, queryWrapper);
        return R.success(pageInfo);
    }

    @DeleteMapping
    public R<String> detele( Long id){
        log.info("根据id删除分类，id为{}",id);
        /*categoryService.removeById(id);*/
        categoryService.remove(id);
        return R.success("删除分类成功");
    }

    @PutMapping
    public R<String> update (@RequestBody Category category){
        log.info("修改分类");
        categoryService.updateById(category);
        return R.success("修改成功");
    }
    /**
     *根据条件查询菜品分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list (Category category){
        //条件构造器
        LambdaQueryWrapper<Category> queryWrapper = new LambdaQueryWrapper<>();
        //添加条件
        queryWrapper.eq(category.getType() != null,Category::getType,category.getType());
        //添加排序条件
        queryWrapper.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(queryWrapper);

        return R.success(list);
    }
}
